GB2249784B - Aluminium oxide ceramic tubes - Google Patents
Aluminium oxide ceramic tubesInfo
- Publication number
- GB2249784B GB2249784B GB9125514A GB9125514A GB2249784B GB 2249784 B GB2249784 B GB 2249784B GB 9125514 A GB9125514 A GB 9125514A GB 9125514 A GB9125514 A GB 9125514A GB 2249784 B GB2249784 B GB 2249784B
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium oxide
- oxide ceramic
- ceramic tubes
- tubes
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/0208—Preparation in gaseous phase
- C01C3/0229—Preparation in gaseous phase from hydrocarbons and ammonia in the absence of oxygen, e.g. HMA-process
- C01C3/0233—Preparation in gaseous phase from hydrocarbons and ammonia in the absence of oxygen, e.g. HMA-process making use of fluidised beds, e.g. the Shawinigan-process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249956—Void-containing component is inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Catalysts (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Chemically Coating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3734914 | 1987-10-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9125514D0 GB9125514D0 (en) | 1992-01-29 |
GB2249784A GB2249784A (en) | 1992-05-20 |
GB2249784B true GB2249784B (en) | 1992-08-05 |
Family
ID=6338392
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8824011A Expired - Fee Related GB2211179B (en) | 1987-10-15 | 1988-10-13 | Aluminium oxide shaped articles and process for their manufacture |
GB9125514A Expired - Fee Related GB2249784B (en) | 1987-10-15 | 1991-11-29 | Aluminium oxide ceramic tubes |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8824011A Expired - Fee Related GB2211179B (en) | 1987-10-15 | 1988-10-13 | Aluminium oxide shaped articles and process for their manufacture |
Country Status (4)
Country | Link |
---|---|
US (2) | US5059367A (en) |
JP (1) | JPH01239056A (en) |
DE (1) | DE3834907C2 (en) |
GB (2) | GB2211179B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5011049A (en) * | 1989-04-17 | 1991-04-30 | General Electric Company | Molten metal transfer tube |
DE4128202A1 (en) * | 1991-08-26 | 1993-03-04 | Hoechst Ceram Tec Ag | Sintered alumina reaction tube - with internal spiral rib, esp. for high temp. hydrogen cyanide synthesis |
DE4128201A1 (en) * | 1991-08-26 | 1993-03-04 | Hoechst Ceram Tec Ag | Sintered alumina reaction tube - contg. spiral insert, esp. for high temp. hydrogen cyanide synthesis |
US5516743A (en) * | 1994-08-15 | 1996-05-14 | Carnegie Mellon University | Alumina catalyst support preparation |
US5516744A (en) * | 1994-08-15 | 1996-05-14 | Carnegie Mellon University | Alumina catalysts support manufacture |
US6027629A (en) * | 1994-11-16 | 2000-02-22 | Kabushiki Kaisha Kobe Seiko Sho | Vacuum chamber made of aluminum or its alloys, and surface treatment and material for the vacuum chamber |
US6024259A (en) * | 1997-05-09 | 2000-02-15 | Blasch Precision Ceramics, Inc. | Impregnated ceramic riser tube and method of manufacturing same |
JP4213790B2 (en) * | 1998-08-26 | 2009-01-21 | コバレントマテリアル株式会社 | Plasma-resistant member and plasma processing apparatus using the same |
US6413582B1 (en) | 1999-06-30 | 2002-07-02 | General Electric Company | Method for forming metallic-based coating |
US6642656B2 (en) * | 2000-03-28 | 2003-11-04 | Ngk Insulators, Ltd. | Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp |
DE10123199B4 (en) * | 2001-05-12 | 2005-02-24 | Gkn Sinter Metals Gmbh | Process for producing at least partially internally coated tubular bodies with a coating of a sinterable material |
JP2006273670A (en) | 2005-03-29 | 2006-10-12 | Ngk Insulators Ltd | Alumina tube |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725467A (en) * | 1983-08-26 | 1988-02-16 | Hoechst Ceramtec Aktiengesellschaft | Polycrystalline, translucent sintered tubes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1217042A (en) * | 1967-04-27 | 1970-12-23 | Western Electric Co | Improvements in or relating to ceramics |
GB1597162A (en) * | 1977-03-10 | 1981-09-03 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure vapour discharge lamp |
US4169875A (en) * | 1977-03-11 | 1979-10-02 | General Electric Company | Method of producing a tubular body of polycrystalline alumina |
GB1595518A (en) * | 1977-03-11 | 1981-08-12 | Gen Electric | Polycrystalline alumina material |
JPS6022670B2 (en) * | 1978-05-12 | 1985-06-03 | 日本碍子株式会社 | Polycrystalline transparent alumina and its manufacturing method, and arc tube for high-pressure steam radiation lamps |
DE3034957C2 (en) * | 1980-09-17 | 1983-01-13 | Degussa Ag, 6000 Frankfurt | Method and device for the internal coating of contact tubes |
HU185242B (en) * | 1981-02-18 | 1984-12-28 | Egyesuelt Izzolampa | Method for producing light-passing alumina sintered bodies advantageously cylinder-symmetrical ones |
US4396595A (en) * | 1982-02-08 | 1983-08-02 | North American Philips Electric Corp. | Method of enhancing the optical transmissivity of polycrystalline alumina bodies, and article produced by such method |
JPS58185478A (en) * | 1982-04-26 | 1983-10-29 | 東芝セラミツクス株式会社 | Manufacture of light permeable alumina ceramic |
US4550034A (en) * | 1984-04-05 | 1985-10-29 | Engelhard Corporation | Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst |
US4749601A (en) * | 1985-04-25 | 1988-06-07 | Hillinger Brad O | Composite structure |
-
1988
- 1988-10-13 DE DE19883834907 patent/DE3834907C2/en not_active Expired - Fee Related
- 1988-10-13 GB GB8824011A patent/GB2211179B/en not_active Expired - Fee Related
- 1988-10-14 JP JP63257403A patent/JPH01239056A/en active Pending
-
1989
- 1989-01-30 US US07/302,982 patent/US5059367A/en not_active Expired - Fee Related
- 1989-11-22 US US07/440,107 patent/US5077105A/en not_active Expired - Fee Related
-
1991
- 1991-11-29 GB GB9125514A patent/GB2249784B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725467A (en) * | 1983-08-26 | 1988-02-16 | Hoechst Ceramtec Aktiengesellschaft | Polycrystalline, translucent sintered tubes |
Also Published As
Publication number | Publication date |
---|---|
DE3834907A1 (en) | 1989-05-11 |
US5059367A (en) | 1991-10-22 |
GB8824011D0 (en) | 1988-11-23 |
US5077105A (en) | 1991-12-31 |
JPH01239056A (en) | 1989-09-25 |
DE3834907C2 (en) | 1994-11-24 |
GB2249784A (en) | 1992-05-20 |
GB9125514D0 (en) | 1992-01-29 |
GB2211179A (en) | 1989-06-28 |
GB2211179B (en) | 1992-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931013 |